import CryptoJS from 'crypto-js'
const key = CryptoJS.enc.Utf8.parse('4A2F3121E3FE3242') //十六位十六进制数作为密钥
const iv = CryptoJS.enc.Utf8.parse('3B24FF22C2DF12A1') //十六位十六进制数作为密钥偏移量

// eslint-disable-next-line no-unused-vars
function randomHexKey() {
  const str = '1234123412ABCDEF'
  let str1 = ''
  let str2 = ''
  for (let i = 0; i < 16; i++) {
    const random1 = Math.floor(Math.random() * 16)
    str1 += str[random1]
    const random2 = Math.floor(Math.random() * 16)
    str2 += str[random2]
  }
  console.log(str1, str2)
}

/**crypto加密 */
function Encrypt(word: string) {
  const srcs = CryptoJS.enc.Utf8.parse(word)
  const encrypted = CryptoJS.AES.encrypt(srcs, key, {
    iv: iv,
    mode: CryptoJS.mode.CBC,
    padding: CryptoJS.pad.Pkcs7
  })
  return encrypted.ciphertext.toString().toUpperCase()
}

/**crypto解密 */
function Decrypt(word: string) {
  const encryptedHexStr = CryptoJS.enc.Hex.parse(word)
  const srcs = CryptoJS.enc.Base64.stringify(encryptedHexStr)
  const decrypt = CryptoJS.AES.decrypt(srcs, key, {
    iv: iv,
    mode: CryptoJS.mode.CBC,
    padding: CryptoJS.pad.Pkcs7
  })
  const decryptedStr = decrypt.toString(CryptoJS.enc.Utf8)
  return decryptedStr.toString()
}

const desKey = CryptoJS.enc.Utf8.parse('11')

//DES加密方法
function desEncrypt(message: string) {
  const encrypted = CryptoJS.DES.encrypt(message, desKey, {
    mode: CryptoJS.mode.ECB,
    padding: CryptoJS.pad.Pkcs7
  })
  return encrypted.toString()
}
//DES解密方法
function desDecrypt(text: string) {
  let ciphertext = text
  if (ciphertext === '' || ciphertext === null || ciphertext === undefined) {
    return ''
  }
  if (typeof ciphertext != 'string') {
    ciphertext = JSON.stringify(ciphertext)
  }
  const decrypted = CryptoJS.DES.decrypt(
    //@ts-ignore
    {
      ciphertext: CryptoJS.enc.Base64.parse(ciphertext)
    },
    desKey,
    {
      mode: CryptoJS.mode.ECB,
      padding: CryptoJS.pad.Pkcs7
    }
  )
  return decrypted.toString(CryptoJS.enc.Utf8)
}

function md5Encode(text: string) {
  // eslint-disable-next-line new-cap
  return CryptoJS.MD5(text).toString()
}
export default {
  Encrypt,
  Decrypt,
  desEncrypt,
  desDecrypt,
  md5Encode
}
